mos.directory

Navy NEC · Medical

L02A Fleet Marine Force / Special Operations Independent Duty Corpsman

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating. Part of the Hospital Corpsman rating

Browse Navy

Overview

A Fleet Marine Force and Special Operations Independent Duty Corpsman provides emergent and nonemergent care without a medical officer while supporting reconnaissance, maritime interdiction, unconventional warfare, and surface, subsurface, and airborne operations. The corpsman performs diagnostic and surgical procedures, prolonged field care, sedation, laboratory work, sonography, x-ray services, veterinary support, preventive medicine, parachuting, underwater operations, and duties involving explosives.

Minimum clearance: Secret

Core Skills

  • Prolonged patient care in austere environments
  • Basic field laboratory and sonography procedures
  • Open and closed circuit diving injury recognition
  • Preventive medicine for field activities

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Paramedics

Emergency patient care, prolonged field care, and analgesia experience provide a strong foundation for prehospital assessment and treatment.

How to prepare: Ask a CAAHEP-accredited or CoAEMSP Letter of Review paramedic program to evaluate your military education and current EMT credentials. The National Registry full-education pathway requires current EMT-level or higher certification or state licensure, qualifying paramedic education completed within the past two years with program-director verification of completion and required competencies, and the certification examination; state authorization is separately needed to practice.

What the civilian work involves
  • Administer drugs, orally or by injection, or perform intravenous procedures.
  • Administer first aid treatment or life support care to sick or injured persons in prehospital settings.
  • Assess nature and extent of illness or injury to establish and prioritize medical procedures.

Diagnostic Medical Sonographers

Basic sonography and patient care in austere environments offer a starting point for formal diagnostic ultrasound training.

How to prepare: Compare sonography associate-degree or postsecondary-certificate programs with supervised clinical placements, and ask admissions staff to assess your prior education. Some states require licensure and employers may require certification; if pursuing ARRT certification, its primary pathway requires an associate’s degree or higher, an ARRT-approved sonography program, satisfaction of ethics requirements, and an examination.

What the civilian work involves
  • Observe screen during scan to ensure that image produced is satisfactory for diagnostic purposes, making adjustments to equipment as required.
  • Observe and care for patients throughout examinations to ensure their safety and comfort.
  • Operate ultrasound equipment to produce and record images of the motion, shape, and composition of blood, organs, tissues, or bodily masses, such as fluid accumulations.

Notes & Sources

Evidence for this guidance (7 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC L02A

    [1] NEC entry "L02A - Fleet Marine Force / Special Operations Independent Duty Corpsman"; cached text line 7391; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Prolonged patient care in austere environments, Basic field laboratory and sonography procedures, Open and closed circuit diving injury recognition, Preventive medicine for field activities, Paramedics (O*NET 29-2043.00), Diagnostic Medical Sonographers (O*NET 29-2032.00)

  2. O*NET: Paramedics

    [2] O*NET 30.3 occupational data

    Supports: Paramedics (O*NET 29-2043.00)

  3. National Registry : Paramedic Full Education Program Pathway

    [3] Opening requirements list

    Supports: Paramedics (O*NET 29-2043.00)

  4. National Registry : Legal Differences Between Certification and Licensure

    [4] What if my state certifies, not licenses, EMS professionals?

    Supports: Paramedics (O*NET 29-2043.00)

  5. O*NET: Diagnostic Medical Sonographers

    [5] O*NET 30.3 occupational data

    Supports: Diagnostic Medical Sonographers (O*NET 29-2032.00)

  6. BLS Occupational Outlook Handbook: Diagnostic Medical Sonographers

    [6] How to Become: Education; Licenses, Certifications, and Registrations. Updated 2026-08-27; checked 2026-09-24.

    Supports: Diagnostic Medical Sonographers (O*NET 29-2032.00)

  7. ARRT: Primary eligibility pathway requirements

    [7] Education, Ethics, and Examination requirements. Radiography and Sonography are listed primary-pathway disciplines. Checked 2026-09-24.

    Supports: Diagnostic Medical Sonographers (O*NET 29-2032.00)

Defense contractor jobs for L02A

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

Report an error on this page